The Romans are one of the pioneers of many scientific studies such as geography, climatology, history and medicine etc. Strabo (64 BC-24 AD) was one of those Roman scholars who made significant contribution to geographical studies. Strabo’s contribution to geography can be seen in the 17 Volumes of Geographica written by him. Strabo’s Geography He declared … Read more
Walter Christaller proposed his Central Place Theory in 1933. He aimed to rationalize the distribution of cities over geographic space. He was concerned with the way the settlement of different sizes evolve and are spaced out. It is a theoretical account of size and distribution of settlements within an urban system where marketing is predominant … Read more
What is Exceptionalism? Exceptionalism is an idea that certain disciplines are exceptional in a sense that they study a particular aspect of events and phenomenon which is not studied by other disciplines. Immanuel Kant is considered the father of exceptionalism. He claimed that the geography and history are exceptional in a manner that geography focusses … Read more
What is El Nino? El Nino is a recurring warm ocean current on the west coast of Ecuador, Peru and Chile. Normally on the western coast of Latin America, a cold current flows from the south pacific ocean towards the equator. This cold current is known as Humboldt Cold Current (Fig. 1). The Humboldt current … Read more
Tropic of Cancer divides India in almost two halves i.e. North and South India. It passes through 8 states of India. The names of these states are as following from West to East. Gujarat Rajasthan Madhya Pradesh Chhattisgarh Jharkhand West Bengal Tripura Mizoram Important Facts About Tropic of Cancer It is at 23 1/2 degree … Read more
Geospatial data is primarily of two types in GIS i.e. spatial data and non-spatial data. Geographical Information System (GIS) is a computer-based programming system which integrates hardware, software, data and user interface for capturing, analyzing and presenting all forms of geographically referenced information over the surface of the earth. It allows users to analyze and visualize … Read more
Harris and Ullman proposed Multiple Nuclei Model in their paper The Nature of Cities (1945) to explain the morphology of a city. They argued that the land use pattern is much more complex than the model given by Burgress, Hoyt & Davis. They observed that the land use pattern is neither in concentric zones or … Read more
E.W. Burgess proposed the Concentric zone theory in 1925. This model is also known as ecological theory of city structure or urban morphology. The primary concern of this model was to map the urban social problem i.e. vices and crime in Chicago city. To map the vices and crimes, Burgess mapped the different zone of … Read more
R.P. Mishra gave his growth foci model in response to ideas of Perroux. Growth pole theory by Perroux was widely adopted by western scholars of his time. Boudeville tried to add spatial dimension to this theory but did not take into consideration that elaborate process of trickle down. R.P. Mishra, an Indian Geographer realized that … Read more
Boudeville growth pole theory provides geographic sense to growth pole. Boudeville gave specific geographic and regional character to the growth pole. Perroux’s ideas in Perroux’s Growth Pole Theory does not specify the geographic extent of the growth pole. Boudeville tried to supplement Perroux’s idea by providing geographic dimension. He wrote his ideas in his book … Read more